import java.io.BufferedReader;
import java.io.FileInputStream;
import java.io.InputStreamReader;

public class C {
    public String read() {
        try (BufferedReader br = new BufferedReader(new InputStreamReader(new FileInputStream(A.TMP)));) {
            StringBuilder sb = new StringBuilder();
            String s1;
            while ((s1 = br.readLine()) != null) {
                sb = sb.append(s1);
            }
            return sb.toString();
        } catch (Exception e) {
            e.printStackTrace();
        }
        return null;
    }

}
